Invar 42 / 1.3917

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Description

Invar 42® is a nickel-iron alloy that contains 41% nickel and exhibits excellent controlled expansion qualities and is used primarily for controlled expansion and magnetic applications. Invar 42® is also highly effective in magnetic applications. It can be hot formed, cold formed or machined. Nilo 42 possesses many of the qualities of the other Invar nickel iron alloys. It is effective in extreme temperatures ranging from -32C to 275C.

Equivalent Materials

Los datos sobre este material han sido proporcionados por Hempel Special Metals.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

General

PropertyTemperatureValue

Densidad

23.0 °C

8.15 g/cm³

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Mecánica

PropertyTemperatureValueComment

Dureza Brinell

23.0 °C

130 [-]

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Annealed, Descaled

Elongación A50

23.0 °C

40 %

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min., Annealed, Descaled

Límite elástico Rp 0,2

23.0 °C

248 MPa

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Annealed, Descaled

Resistencia a la tracción

23.0 °C

490 MPa

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Annealed, Descaled

Chemical properties

PropertyValue

Hierro

Balance

Níquel

42 %

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Technological properties

Property
Application areas

Invar 42 is used mainly in:


  • Transformer & capacitor bushings
  • Automotive & industrial lamps
  • Electronic tubes
  • Glass-to-metal applications
  • Ceramic-to-metal Applications